Try this getting the limits of the plot area:
> x=c(1,5);y=c(1,5)
> plot(y~x, type='n')
> abline(v=c(2,3), lty=2)
> usr <- par('usr')
> usr
[1] 0.84 5.16 0.84 5.16> rect(2, usr[3], 3, usr[4], col='green')
>
On Mon, Sep 13, 2010 at 8:45 AM, threshold <r.kozarski at gmail.com>
wrote:>
>
> Hi, want to shade the area between dotted lines:
>
> x=c(1,5);y=c(1,5)
> plot(y~x, type='n')
> abline(v=c(2,3), lty=2)
>
> sometnig simple needed. tried with polygon....
>
> thx, robert
> --
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>
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--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem that you are trying to solve?